IremM62: ROM direct download

Arcade_MiST/IremM62 Hardware/IremM62.qsf

@@ -76,6 +76,7 @@ set_location_assignment PIN_88 -to SPI_DI
 set_location_assignment PIN_126 -to SPI_SCK
 set_location_assignment PIN_127 -to SPI_SS2
 set_location_assignment PIN_91 -to SPI_SS3
+set_location_assignment PIN_90 -to SPI_SS4
 set_location_assignment PIN_13 -to CONF_DATA0
 set_location_assignment PIN_49 -to SDRAM_A[0]
 set_location_assignment PIN_44 -to SDRAM_A[1]
@@ -235,7 +236,6 @@ set_global_assignment -name PARTITION_COLOR 16764057 -section_id Top
 # end ENTITY(IremM62_MiST)
 # ---------------------------
 set_location_assignment PLL_1 -to pll|altpll_component|auto_generated|pll1
-set_instance_assignment -name PARTITION_HIERARCHY root_partition -to | -section_id Top
 set_global_assignment -name SYSTEMVERILOG_FILE rtl/IremM62_MiST.sv
 set_global_assignment -name VHDL_FILE rtl/target_top.vhd
 set_global_assignment -name VHDL_FILE rtl/platform_variant_pkg.vhd
@@ -274,4 +274,5 @@ set_global_assignment -name SIGNALTAP_FILE output_files/sp.stp
 set_global_assignment -name SIGNALTAP_FILE output_files/tilemap.stp
 set_global_assignment -name SIGNALTAP_FILE output_files/sprite.stp
 set_global_assignment -name SIGNALTAP_FILE output_files/cpu.stp
-set_global_assignment -name SIGNALTAP_FILE output_files/snd.stp
+set_global_assignment -name SIGNALTAP_FILE output_files/snd.stp
+set_instance_assignment -name PARTITION_HIERARCHY root_partition -to | -section_id Top

Arcade_MiST/IremM62 Hardware/README.txt

@@ -11,3 +11,16 @@ Games supported:
 - Spelunker 1-2
 - Kid Niki
 - Youjyudn
+
+
+MiST port usage
+===============
+
+- Create ROM and ARC files from the MRA files using the MRA utility.
+  Example: mra -A -z /path/to/mame/roms Horizon.mra
+- Copy the ROM files to the root of the SD Card
+- Copy the RBF and ARC files to the same folder on the SD Card
+
+MRA utility: https://github.com/sebdel/mra-tools-c/
+
+Note: you need at least firmware version 200311.

Arcade_MiST/IremM62 Hardware/rtl/IremM62_MiST.sv

@@ -8,10 +8,11 @@ module IremM62_MiST(
 	output        AUDIO_L,
 	output        AUDIO_R,
 	input         SPI_SCK,
-	output        SPI_DO,
+	inout         SPI_DO,
 	input         SPI_DI,
 	input         SPI_SS2,
 	input         SPI_SS3,
+	input         SPI_SS4,
 	input         CONF_DATA0,
 	input         CLOCK_27,
 
@@ -97,7 +98,8 @@ wire  [7:0] key_code;
 wire        key_strobe;
 
 user_io #(
-	.STRLEN(($size(CONF_STR)>>3)))
+	.STRLEN(($size(CONF_STR)>>3)),
+	.ROM_DIRECT_UPLOAD(1'b1))
 user_io(
 	.clk_sys        (clk_sys        ),
 	.conf_str       (CONF_STR       ),
@@ -153,11 +155,13 @@ wire        ioctl_wr;
 wire [24:0] ioctl_addr;
 wire  [7:0] ioctl_dout;
 
-data_io data_io(
+data_io #(.ROM_DIRECT_UPLOAD(1'b1)) data_io(
 	.clk_sys       ( clk_sys      ),
 	.SPI_SCK       ( SPI_SCK      ),
 	.SPI_SS2       ( SPI_SS2      ),
+	.SPI_SS4       ( SPI_SS4      ),
 	.SPI_DI        ( SPI_DI       ),
+	.SPI_DO        ( SPI_DO       ),
 	.ioctl_download( ioctl_downl  ),
 	.ioctl_index   ( ioctl_index  ),
 	.ioctl_wr      ( ioctl_wr     ),